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Creation Date 

1. Before 1960  (26,846)
2. 1960 To 1975  (58,604)
3. 1976 To 1991  (112,043)
4. 1992 To 2008  (265,435)
5. After 2008  (541,885)
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New Records 

1. New From Last Week  (809)
2. New From Last Month  (5,788)
3. New From Last 3 Month  (10,486)
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Resource Type 

1. Articles  (746,792)
2. Patents  (224,770)
3. Book Chapters  (13,728)
4. Thesises (postgraduate)  (7,026)
5. magazinearticle  (3,421)
6. Reports  (2,108)
7. Conference Proceedings  (1,663)
8. Books  (1,405)
9. References  (905)
10. Reviews  (760)
11. Web Resources  (547)
12. Datasets  (100)
13. Images  (86)
14. Text Resources  (72)
15. Other  (66)
16. Newspaper Articles  (65)
17. Government Documents  (27)
18. Newsletter Articles  (26)
19. Audio  (4)
20. Videos  (2)
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Subject 

1. Science & Technology  (549,504)
2. Life Sciences & Biomedicine  (361,572)
3. Chemistry  (341,092)
4. Physical Sciences  (180,018)
5. Metallurgy  (177,907)
6. Animals  (119,821)
7. Biochemistry & Molecular Biology  (112,121)
8. Organic Chemistry  (108,104)
9. Humans  (106,335)
10. Biological And Medical Sciences  (88,670)
11. Biochemistry  (83,343)
12. Technology  (77,261)
13. Microbiology  (75,156)
14. Proteins  (72,686)
15. Hydrolysis  (68,532)
16. Fundamental And Applied Biological Sciences. Psychology  (64,678)
17. Chemistry, Multidisciplinary  (64,479)
18. Enzymes  (62,320)
19. Science & Technology - Other Topics  (53,265)
20. Human Necessities  (49,564)
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Databases 

1. ProQuest Central  (373,740)
2. MEDLINE  (293,260)
3. DOAJ Directory of Open Access Journals  (240,230)
4. Geneva Foundation Free Medical Journals at publisher websites  (223,312)
5. Open Access: PubMed Central  (220,689)
6. esp@cenet  (211,309)
7. ROAD: Directory of Open Access Scholarly Resources  (185,455)
8. HighWire Press (Free Journals)  (61,529)
9. Springer Open Access Journals  (45,460)
10. Wiley Open Access Journals  (42,251)
11. Open Access: Nature Open Access  (19,997)
12. PLoS  (15,321)
13. IngentaConnect Backfiles  (12,635)
14. JSTOR database  (12,484)
15. Ebook Central - Academic Complete  (10,966)
16. Hyper Article en Ligne (HAL) (Open Access)  (9,827)
17. ProQuest One Psychology  (8,929)
18. Taylor & Francis_OA刊  (8,545)
19. Oxford Open Access Journals  (7,901)
20. USPTO Issued Patents  (7,451)
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Language 

1. English  (952,497)
2. Japanese  (117,656)
3. Chinese  (51,569)
4. French  (38,367)
5. German  (28,156)
6. Spanish  (8,093)
7. Korean  (6,748)
8. Portuguese  (6,112)
9. Russian  (5,003)
10. Danish  (2,115)
11. Finnish  (1,678)
12. Italian  (1,568)
13. Swedish  (1,539)
14. Norwegian  (1,465)
15. Dutch  (1,317)
16. Czech  (875)
17. Polish  (780)
18. Croatian  (574)
19. Slovak  (514)
20. Ukrainian  (405)
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Journal Title 

1. Angewandte Chemie  (6,501)
2. Biochemistry  (6,493)
3. Cheminform  (6,187)
4. International Journal Of Molecular Sciences  (9,283)
5. Journal Of The Chemical Society  (10,556)
6. Molecules  (11,416)
7. Plos One  (12,075)
8. Proceedings Of The National Academy Of Sciences - Pnas  (10,541)
9. Scientific Reports  (8,971)
10. The Journal Of Biological Chemistry  (13,271)
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